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IMPURITY CONTAINING CATHODE MATERIAL WITH PREFERRED MORPHOLOGY AND METHOD TO PREPARE FROM IMPURITY CONTAINING METAL CARBONATE
IMPURITY CONTAINING CATHODE MATERIAL WITH PREFERRED MORPHOLOGY AND METHOD TO PREPARE FROM IMPURITY CONTAINING METAL CARBONATE
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机译：具有良好形态的含杂质阴极材料及制备含杂质金属碳酸盐的方法
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摘要
A carbonate precursor compound for producing a lithium metal (M) -oxide powder usable as an active positive electrode material of a lithium ion battery, wherein M comprises 20 to 90 mol% Ni, 10 to 70 mol% Mn and 10 To 40 mole% of Co, wherein the precursor further comprises sodium and sulfur impurities having a sodium to sulfur mole ratio (Na / S) of 0.4 Na / S Lithium metal (M) - the oxide powder has a particle size distribution of 10㎛≤D50≤20㎛, the specific surface of 0.9≤BET≤5 (specific surface) where BET is expressed as g / cm 2, also in wt% The sum of the sodium content (Na wt ) and the sulfur content (S wt ) represented by (2 * Na wt ) + S wt is more than 0.4 wt % and less than 1.6 wt%, and the sodium to sulfur molar ratio (Na / S) / S 2. / RTI
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机译：用于生产可用作锂离子电池活性正极材料的锂金属（M）氧化物粉末的碳酸酯前体化合物，其中M包含20至90 mol％的Ni，10至70 mol％的Mn和10至40 mol％的钴，其中前体进一步包含钠和硫杂质，钠硫比（Na / S）为0.4 2 表示，也以wt％表示钠含量的总和（Na wt ），用（2 * Na wt ）+ S wt 表示的硫含量（S wt ）大于0.4 < Sub> wt ％且小于1.6 wt％，并且钠与硫的摩尔比（Na / S）/ S <2。
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